CN202251002U - Synchronous adjusting device of outlet guide vane of high speed centrifugal blower - Google Patents
Synchronous adjusting device of outlet guide vane of high speed centrifugal blower Download PDFInfo
- Publication number
- CN202251002U CN202251002U CN2011203218787U CN201120321878U CN202251002U CN 202251002 U CN202251002 U CN 202251002U CN 2011203218787 U CN2011203218787 U CN 2011203218787U CN 201120321878 U CN201120321878 U CN 201120321878U CN 202251002 U CN202251002 U CN 202251002U
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- CN
- China
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- revolute pair
- uniformly distributed
- adjusting device
- stator
- axis hole
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Abstract
The utility model relates to a synchronous adjusting device of outlet guide vanes of a high speed centrifugal blower. The synchronous adjusting device comprises guide vanes, and the journal of each guide vane is installed in first shaft holes evenly distributed on a gear case flange to form a first revolute pair. The synchronous adjusting device is characterized in that each jib is fixedly connected with the journal of each guide vane respectively, one end of each connecting rod is connected with each jib respectively to form a second revolute pair, the other ends of the connecting rods are respectively connected with shaft holes evenly distributed on a rotary disk to form a third revolute pair, the journals of rollers are installed in second shaft holes evenly distributed on the gear case flange to form a fourth revolute pair, the inner diameter of the rotary disk is tangent to each roller to form a fifth revolute pair, and a general jib is fixedly connected with the journal of any guide vane through a second key. The synchronous adjusting device is simply structured, compact and reasonable, and is low in production cost, and applicable to high speed centrifugal blowers of all specifications.
Description
Technical field
The utility model relates to a kind of synchronizing controls of high-speed centrifugal fan exit guide blade, is used for the mechanical device of synchronization regulation exit guide blade angle on specifically a kind of high-speed centrifugal fan, belongs to the mechanical structure technical field.
Background technique
In prior art, high-speed centrifugal fan can make it when changing flow, still can keep the greater efficiency operation through regulating exit guide blade, and the adjusting of stator generally adopts gear, sprocket transmission device to realize, complex structure, manufacture cost height.
Summary of the invention
The purpose of the utility model is to overcome above-mentioned deficiency, thereby a kind of synchronizing controls of high-speed centrifugal fan exit guide blade is provided, and is simple in structure, cost is low.
According to the technological scheme that the utility model provides, a kind of synchronizing controls of high-speed centrifugal fan exit guide blade comprises 9-21 stator; The axle journal of each stator is installed on respectively and forms first revolute pair in first axis hole that is uniformly distributed with on the gear-box flange in the said 9-21 stator; Characteristic is: also comprise pivoted arm, connecting rod, rotating disk, first, second bearing pin, roller and total pivoted arm; Said each pivoted arm is fixedly connected with the axle journal of each stator respectively through first key; One end of said each connecting rod is connected with each pivoted arm respectively through first bearing pin and forms second revolute pair, the other end of connecting rod through second bearing pin respectively with rotating disk on the axis hole that is uniformly distributed be connected and form the 3rd revolute pair; The axle journal of said 3 rollers is installed in second axis hole that is uniformly distributed with on the gear-box flange respectively and forms the 4th revolute pair; The internal diameter of said rotating disk is tangent and form the 5th revolute pair with each roller respectively; Said total pivoted arm is fixedly connected through second key and the axle journal of any one stator wherein.
The center of circle of the axis hole center circle diameter that is uniformly distributed with on second axis hole center circle diameter that is uniformly distributed with on the first axis hole center circle diameter that is uniformly distributed with on the said gear-box flange, the gear-box flange and the rotating disk is on same axis.
Compared with present technology this usefulness is novel has the following advantages:
The utility model is simple in structure, compact, reasonable, and low cost of manufacture is used on the high-speed centrifugal fan of suitable all specifications.
Description of drawings
Fig. 1 is the structural principle schematic representation of the utility model.
Embodiment
Following the utility model will combine accompanying drawing to further describe:
As shown in Figure 1: the utility model comprises stator 1, pivoted arm 2, first key 3, connecting rod 4, first bearing pin 5, second bearing pin 6, rotating disk 7, roller 8, total pivoted arm 9 and second key 10 etc.
The axle journal of each stator is installed on respectively and forms first revolute pair in first axis hole that is uniformly distributed with on the gear-box flange in the said 9-21 stator 1; Said each pivoted arm 2 is fixedly connected with the axle journal of each stator 1 respectively through first key 3; One end of said each connecting rod 4 is connected with each pivoted arm 2 respectively through first bearing pin 5 and forms second revolute pair, the other end of connecting rod 4 through second bearing pin 6 respectively with rotating disk 7 on the axis hole that is uniformly distributed be connected and form the 3rd revolute pair; The axle journal of said 3 rollers 8 is installed in second axis hole that is uniformly distributed with on the gear-box flange respectively and forms the 4th revolute pair; The internal diameter of said rotating disk 7 is tangent and form the 5th revolute pair with each roller 8 respectively; Said total pivoted arm 9 is fixedly connected through second key 10 and the axle journal of any one stator 1 wherein.
The center of circle of the axis hole center circle diameter that is uniformly distributed with on second axis hole center circle diameter D3 that is uniformly distributed with on the first axis hole center circle diameter D1 that is uniformly distributed with on the said gear-box flange, the gear-box flange and the rotating disk 7 is on same axis.
Total pivoted arm 9 is under the effect of driving force F; Any one stator 1 that connects with it and the pivoted arm 2 that connects therewith rotate along the arrow A direction around the axle journal axis of stator 1; Drive rotating disk 7 through the connecting rod 4 that is connected with pivoted arm 2 and rotate along the arrow B direction, rotating disk 7 drives pivoted arm 2 through remaining connecting rod 4 and does corresponding the rotation, and pivoted arm 2 drives stator 1 through key 3 and does corresponding rotation around guide vane teunnion; Thereby realized synchronization regulation, helped guaranteeing the synchronization regulation precision all stators.
Claims (2)
1. the synchronizing controls of a high-speed centrifugal fan exit guide blade comprises 9-21 stator (1); The axle journal of each stator is installed on respectively and forms first revolute pair in first axis hole that is uniformly distributed with on the gear-box flange in the said 9-21 stator (1); It is characterized in that: also comprise pivoted arm (2), connecting rod (4), rotating disk (7), first bearing pin (5), second bearing pin (6), roller (8) and total pivoted arm (9); Said each pivoted arm (2) is fixedly connected with the axle journal of each stator (1) respectively through first key (3); One end of said each connecting rod (4) is connected with each pivoted arm (2) respectively through first bearing pin (5) and forms second revolute pair, the other end of connecting rod (4) through second bearing pin (6) respectively with rotating disk (7) on the axis hole that is uniformly distributed be connected and form the 3rd revolute pair; The axle journal of said 3 rollers (8) is installed in second axis hole that is uniformly distributed with on the gear-box flange respectively and forms the 4th revolute pair; The internal diameter of said rotating disk (7) is tangent and form the 5th revolute pair with each roller (8) respectively; Said total pivoted arm (9) is fixedly connected through the axle journal of second key (10) with one of them stator (1).
2. the synchronizing controls of a kind of high-speed centrifugal fan exit guide blade as claimed in claim 1 is characterized in that: the center of circle of the axis hole center circle diameter that is uniformly distributed with on second axis hole center circle diameter (D3) that is uniformly distributed with on the first axis hole center circle diameter (D1) that is uniformly distributed with on the said gear-box flange, the gear-box flange and the rotating disk (7) is on same axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203218787U CN202251002U (en) | 2011-08-31 | 2011-08-31 | Synchronous adjusting device of outlet guide vane of high speed centrifugal blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203218787U CN202251002U (en) | 2011-08-31 | 2011-08-31 | Synchronous adjusting device of outlet guide vane of high speed centrifugal blower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202251002U true CN202251002U (en) | 2012-05-30 |
Family
ID=46112254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203218787U Expired - Lifetime CN202251002U (en) | 2011-08-31 | 2011-08-31 | Synchronous adjusting device of outlet guide vane of high speed centrifugal blower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202251002U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102261344A (en) * | 2011-08-31 | 2011-11-30 | 无锡杰尔压缩机有限公司 | Synchronous regulating device of high-speed centrifugal fan outlet guide vane |
| CN104632702A (en) * | 2014-12-30 | 2015-05-20 | 东方电气集团东方汽轮机有限公司 | Synchronous transmission mechanism for air inlet guide vanes of axial flow air compressor |
| CN110985438A (en) * | 2019-12-27 | 2020-04-10 | 长安大学 | Centrifugal fan with variable-amplitude blades |
-
2011
- 2011-08-31 CN CN2011203218787U patent/CN202251002U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102261344A (en) * | 2011-08-31 | 2011-11-30 | 无锡杰尔压缩机有限公司 | Synchronous regulating device of high-speed centrifugal fan outlet guide vane |
| CN102261344B (en) * | 2011-08-31 | 2013-12-04 | 无锡杰尔压缩机有限公司 | Synchronous regulating device of high-speed centrifugal fan outlet guide vane |
| CN104632702A (en) * | 2014-12-30 | 2015-05-20 | 东方电气集团东方汽轮机有限公司 | Synchronous transmission mechanism for air inlet guide vanes of axial flow air compressor |
| CN110985438A (en) * | 2019-12-27 | 2020-04-10 | 长安大学 | Centrifugal fan with variable-amplitude blades |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120530 Effective date of abandoning: 20131204 |
|
| RGAV | Abandon patent right to avoid regrant |